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Filtering by: Contributor advisor sim Volk, V. V. Remove constraint Contributor advisor sim: Volk, V. V.

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The movement and adsorption of 2, 4-dichlorophenoxyacetic acid in selected Oregon soils

Creator:

Kuo, Eugene Cheng-yen

Resource Type:

Masters Thesis
Hydrolysis and biological degradation of atrazine in soils

Creator:

Skipper, H. D. (Horace D.)

Abstract:

Detoxification of atrazine in soils results from both chemical hydrolysis and microbial degradation. Infrared analysis was used to study the hydrolysis of atrazine upon interaction with soil colloids and to ascertain the existence of enol, keto, and protonated-keto forms of hydroxyatrazine. Evolution of ¹⁴CO₂ from ¹⁴C-atrazine and ¹⁴C-hydroxyatrazine was indicative...

Resource Type:

Dissertation
Surfactant effects on bromacil and picloram adsorption by Oregon soils

Creator:

Gaynor, John Donald

Abstract:

The physical and chemical properties of soils greatly affect the toxicity of bromacil and picloram. Consequently, a knowledge of the parameters which influence the soil inactivation of these herbicides is necessary to determine proper application rates for good weed control. Enhancement in phytotoxicity with the addition of surfactants or surface...

Resource Type:

Masters Thesis
Moisture influences on bromacil distribution in the soil and resultant uptake and phytotoxicity

Creator:

Schreiber, Jonathon Dennis

Resource Type:

Dissertation
Atrazine, terbutryn and GS-14254 adsorption, desorption and solubility in salt solutions and movement in soil materials

Creator:

Gaynor, John Donald

Resource Type:

Dissertation
Disposal of municipal wastes on sandy soil : effect on plant nutrient uptake

Creator:

Cottrell, Nancy McCombs

Abstract:

Solid municipal waste was applied to Sagehill sand at rates of 0, 100, 200, and 400 tons/acre (0, 67, 133, and 267 tons dry matter). Sewage sludge (2% solids) was applied at 55 gallons per ton of solid waste. Hyslop winter wheat was planted as a cover crop in October...

Resource Type:

Masters Thesis
Disposal of dairy cow waste slurries on Amity silty clay loam soil

Creator:

Tucker, Gary Bert

Abstract:

Intensification of livestock operations has enhanced the problem of animal waste disposal. Since high application rates of the waste to soils would help elevate the problem, a study was established to determine water quality as affected by applications of dairy waste slurries to tiled and untiled soils. Dairy cow waste...

Resource Type:

Masters Thesis
The reactions of picloram and 2, 4-D with montmorillonite clays and soils

Creator:

Kuo, Eugene Cheng-yen

Resource Type:

Dissertation
Refractory metals processing waste utilization on Dayton silty clay loam soil

Creator:

Polson, Richard Lewis

Abstract:

Waste products from industry have often been disposed in landfills without regard for any beneficial uses of the product in agricultural production. This research was conducted to determine the effect of a refractory metal processing waste product on (a) soil chemical and physical properties, (b) perennial ryegrass forage quality and...

Resource Type:

Masters Thesis
Nitrogen and heavy metal distribution in soils utilized as sludge disposal sites

Creator:

Prothero, Gary Lewis

Abstract:

Metropolitan areas today must dispose large volumes of sewage sludge produced during the wastewater treatment process. This research was conducted to study the effect of large applications of municipal sewage sludge on (a) the distribution of N and trace elements (Cd, Cr, Cu, Mn, Ni, Zn) in the soil profile,...

Resource Type:

Masters Thesis

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Academic Affiliation

Soil Science10
Soils4

Advisor

Volk, V. V.14

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1970 to 1981

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Committee Member

Appleby, A. P.3
Evans, H. J.2
Anderson, A. W.1
Boersma, L.1
Boersma, Larry1
more Committee Members »

Creator

Gaynor, John Donald2
Kuo, Eugene Cheng Yen2
Cottrell, Nancy Mccombs1
Mellbye, Mark Edward1
Pettygrove, G. Stuart1
more Creators »

Date

Date range begin – Date range end

Current results range from 1969 to 1981

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Decade

1980-19892
1970-197910
1960-19692

Degree Field

Soil Science10
Soils4

Degree Level

Master's9
Doctoral5

Degree Name

Master of Science (M.S.)9
Doctor of Philosophy (Ph.D.)5

Language

English [eng]14

Non-Academic Affiliation

Oregon State University. Graduate School14

Peer Reviewed

No14

Resource Type

Masters Thesis9
Dissertation5

Rights Statement

Copyright Not Evaluated14

Subject

Waste disposal in the ground3
Herbicides2
Agricultural wastes1
Herbicides -- Testing1
Herbicides -- Toxicology1
more Subjects »

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